The website of the American Urological Association gives information on normal and abnormal differentiation. (
http://www.urologyhealth.org/pediatric/index.cfm?cat=01&topic=110
)
This University of Plymouth website discusses psychosexual differentiation. (
http://salmon.psy.plym.ac.uk/year1/psy128psychosexual_differentiation/sexdiff.htm
)
This website of Southern Arkansas University provides class notes on a human sexuality class and links to URLs on intersexuality. (
http://peace.saumag.edu/faculty/Kardas/Courses/HS/Lecture%20Notes/C5Hormones.html
)
The Androgen Insensitivity Syndrome Support Group gives information and support to young people, adults and families affected by complete and partial Androgen Insensitivity Syndrome (AIS). (
http://www.medhelp.org/ais/
)
The Magnus Hirschfield Archive for Sexology outlines stages of sexual differentiation. (
http://www2.hu-berlin.de/sexology/ATLAS_EN/html/sexual_differentiation.html
)